Lettre ouverte

Robert Lamoureux Martial Simonet

Geneviève Page Colette Simonet

Jean-Marc Thibault Gaston

Paul Bonifas Honoré, the father-in-law

Rosy Varte Madame Pépin, the concierge

Sophie Mallet Hortense, the maid

Jacques Hilling Monsieur Pépin, the cop

Stéphane Henri

Georges Wilson A tenant

Germaine de France Madame Gallot, the old tenant

Claude Castaing The gallant gentleman

Solange Certain Henriette

Pierre Dux Monsieur Lesage

Mary Marquet Laurence, the mother-in-law

Jean Berton The inspector (uncredited)

Teddy Bilis The flirt in the street (uncredited)

Maurice Chevit The cafe owner (uncredited)

Henri Coutet A tenant (uncredited)

Marcelle Féry The old lady (uncredited)

Lud Germain The black (uncredited)